Product Manual
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commands 30 5.0 Seagate Technology support services 31 LD25 Series SATA Product Manual, Rev. C i Contents 1.0 Introduction 1 1.1 About the Serial ATA interface 2 2.0 Drive specifications 3 2.1 Specification summary table 3 2.2 Formatted capacity 5 2.3 Default logical geometry 5 2.4 Physical organization 5 2.5 Recording and interface technology 5 2.6 Physical characteristics 6 2.7 Seek time 6 2.8 Time to ready 6 2.9 Power specifications 7 2.9.1 Power consumption 7 2.9.2 Deferred spinup 8 2.9.3 Conducted noise 9 2.9.4 Voltage tolerance 9 2.9.5 Power-management modes 9 2....
commands 30 5.0 Seagate Technology support services 31 LD25 Series SATA Product Manual, Rev. C i Contents 1.0 Introduction 1 1.1 About the Serial ATA interface 2 2.0 Drive specifications 3 2.1 Specification summary table 3 2.2 Formatted capacity 5 2.3 Default logical geometry 5 2.4 Physical organization 5 2.5 Recording and interface technology 5 2.6 Physical characteristics 6 2.7 Seek time 6 2.8 Time to ready 6 2.9 Power specifications 7 2.9.1 Power consumption 7 2.9.2 Deferred spinup 8 2.9.3 Conducted noise 9 2.9.4 Voltage tolerance 9 2.9.5 Power-management modes 9 2....
Product Manual
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... high shock tolerance, high performance, and power management. LD25 Series SATA Product Manual, Rev. C 1 drive monitoring and reporting. • Support for notebook applications or environments with high operating temperatures. LD25 Series drives are quieter, lighter and use less power than 3.5-inch drives. 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following key features: • 5,400 RPM spindle speed • 2 Mbyte buffer • High instantaneous (burst) data-transfer rates (up to 150...
... high shock tolerance, high performance, and power management. LD25 Series SATA Product Manual, Rev. C 1 drive monitoring and reporting. • Support for notebook applications or environments with high operating temperatures. LD25 Series drives are quieter, lighter and use less power than 3.5-inch drives. 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following key features: • 5,400 RPM spindle speed • 2 Mbyte buffer • High instantaneous (burst) data-transfer rates (up to 150...
Product Manual
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... master/slave relationship with Serial ATA devices like Device 0 devices. The primary advantages include: • Easy installation and configuration with the Serial ATA host adapter. It is not a typical Serial ATA environment. The host adapter may, optionally, emulate a master/slave environment to host software where two devices on separate Serial ATA ports are attached on two separate ports. The Command and Control Block registers, PIO and DMA data transfers, resets, and interrupts are Device 0 (master) devices. The Serial ATA interface connects each disc drive...
... master/slave relationship with Serial ATA devices like Device 0 devices. The primary advantages include: • Easy installation and configuration with the Serial ATA host adapter. It is not a typical Serial ATA environment. The host adapter may, optionally, emulate a master/slave environment to host software where two devices on separate Serial ATA ports are attached on two separate ports. The Command and Control Block registers, PIO and DMA data transfers, resets, and interrupts are Device 0 (master) devices. The Serial ATA interface connects each disc drive...
Product Manual
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...max) Spindle speed (RPM) Internal transfer rate (Mbytes/sec max) I/O data transfer rate (Mbytes/sec max) ATA data-transfer modes supported Cache buffer (Mbytes) Height (max) Width (max) Length (max) Weight (typical) Average latency (msec) Power-on specification measurement or definition, see the appropriate section of this table are measured under ambient conditions, at 25°C, and nominal power. Table 1: Drive specifications Drive specification Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Default sectors per track Default read/write heads Default cylinders...
...max) Spindle speed (RPM) Internal transfer rate (Mbytes/sec max) I/O data transfer rate (Mbytes/sec max) ATA data-transfer modes supported Cache buffer (Mbytes) Height (max) Width (max) Length (max) Weight (typical) Average latency (msec) Power-on specification measurement or definition, see the appropriate section of this table are measured under ambient conditions, at 25°C, and nominal power. Table 1: Drive specifications Drive specification Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Default sectors per track Default read/write heads Default cylinders...
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Table 1: Drive specifications Drive specification ST9402115AS ST920217AS Average seek, write (msec typical)
Table 1: Drive specifications Drive specification ST9402115AS ST920217AS Average seek, write (msec typical)
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... the number of guaranteed sectors as defined above. 2.4 Physical organization Drive model ST9402115AS ST920217AS Read/write heads 2 1 Number of discs 1 1 2.5 Recording and interface technology Interface Recording density BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Mbytes/sec) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer Serial ATA (SATA) 675,900 114,000 81 5,400 57.6 150 (SATA 1.0) 1:1 2 Mbytes (2,048 kbytes) LD25 Series SATA Product Manual, Rev...
... the number of guaranteed sectors as defined above. 2.4 Physical organization Drive model ST9402115AS ST920217AS Read/write heads 2 1 Number of discs 1 1 2.5 Recording and interface technology Interface Recording density BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Mbytes/sec) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer Serial ATA (SATA) 675,900 114,000 81 5,400 57.6 150 (SATA 1.0) 1:1 2 Mbytes (2,048 kbytes) LD25 Series SATA Product Manual, Rev...
Product Manual
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... SATA power connector. 2.9.1 Power consumption Power requirements for each 10 reads) and 20 percent drive idle mode. • Idle mode power* Idle mode power is measured with the drive up to the time that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on to speed, with servo electronics active and with the heads in a random track location. • Standby mode During Standby mode, the drive accepts commands, but the drive...
... SATA power connector. 2.9.1 Power consumption Power requirements for each 10 reads) and 20 percent drive idle mode. • Idle mode power* Idle mode power is measured with the drive up to the time that the drive spindle reaches operating speed. • Seek mode During seek mode, the read/write actuator arm moves toward a specific position on to speed, with servo electronics active and with the heads in a random track location. • Standby mode During Standby mode, the drive accepts commands, but the drive...
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... Buffer Enabled Enabled Disabled Disabled Disabled Disabled • Active mode The drive is in Active mode during the read /write current. 2.9.4 Voltage tolerance Voltage tolerance (including noise): 5V ± 5% 2.9.5 Power-management modes The drive provides programmable power management to Active mode any time disc access is necessary. Equivalent resistance is calculated by dividing the nominal voltage by the host-side transceiver. LD25 Series SATA Product Manual, Rev. In most systems, you can control power management through the system setup...
... Buffer Enabled Enabled Disabled Disabled Disabled Disabled • Active mode The drive is in Active mode during the read /write current. 2.9.4 Voltage tolerance Voltage tolerance (including noise): 5V ± 5% 2.9.5 Power-management modes The drive provides programmable power management to Active mode any time disc access is necessary. Equivalent resistance is calculated by dividing the nominal voltage by the host-side transceiver. LD25 Series SATA Product Manual, Rev. In most systems, you can control power management through the system setup...
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... length of time. C In Sleep mode, the drive buffer is disabled, the heads are parked and the spindle is necessary. 10 LD25 Series SATA Product Manual, Rev. The standby timer delay is at rest. After receiving a reset, the drive exits Sleep mode and enters Standby mode with all commands and returns to Active mode when disc access is at rest. The drive leaves Sleep mode after it receives a Hard Reset or Soft Reset from its...
... length of time. C In Sleep mode, the drive buffer is disabled, the heads are parked and the spindle is necessary. 10 LD25 Series SATA Product Manual, Rev. The standby timer delay is at rest. After receiving a reset, the drive exits Sleep mode and enters Standby mode with all commands and returns to Active mode when disc access is at rest. The drive leaves Sleep mode after it receives a Hard Reset or Soft Reset from its...
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2.13 Reliability Measurement type Nonrecoverable read errors Annualized Failure Rate (AFR) Load/Unload (L/UL) Controlled L/UL cycles (40°C, 50% Relative Humidity) Specification 1 per 1014 bits read, max.
2.13 Reliability Measurement type Nonrecoverable read errors Annualized Failure Rate (AFR) Load/Unload (L/UL) Controlled L/UL cycles (40°C, 50% Relative Humidity) Specification 1 per 1014 bits read, max.
Product Manual
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... be a subassembly even when it is required. If this device in enclosures as described above to ensure that interference will not occur in a residential installation. LD25 Series SATA Product Manual, Rev. Drives are tested in a representative, end-user system by the Federal Communications Commission: How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the radio or TV...
... be a subassembly even when it is required. If this device in enclosures as described above to ensure that interference will not occur in a residential installation. LD25 Series SATA Product Manual, Rev. Drives are tested in a representative, end-user system by the Federal Communications Commission: How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the radio or TV...
Product Manual
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... the presence of any RoHS-regulated substance in such parts or materials. In addition, electronic components should be minimized or eliminated. Seagate also has internal systems in these parts and materials. The useful life of RoHS substances in place to ensure ongoing compliance with sulfide-free alternatives. 16 LD25 Series SATA Product Manual, Rev. C Current supplier declarations include disclosure of the...
... the presence of any RoHS-regulated substance in such parts or materials. In addition, electronic components should be minimized or eliminated. Seagate also has internal systems in these parts and materials. The useful life of RoHS substances in place to ensure ongoing compliance with sulfide-free alternatives. 16 LD25 Series SATA Product Manual, Rev. C Current supplier declarations include disclosure of the...
Product Manual
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... F9h LD25 Series SATA Product Manual, Rev. See "S.M.A.R.T. 4.3 Supported ATA commands The following table lists Serial ATA standard commands that the drive supports. C 23 For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. Command name ATA-standard commands Device Configuration Restore Device Configuration Freeze Lock Device Configuration Identify Device Configuration Set Download Microcode Execute Device Diagnostics Flush Cache Flush Cache Extended Identify Device Initialize Device Parameters Read Buffer Read...
... F9h LD25 Series SATA Product Manual, Rev. See "S.M.A.R.T. 4.3 Supported ATA commands The following table lists Serial ATA standard commands that the drive supports. C 23 For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. Command name ATA-standard commands Device Configuration Restore Device Configuration Freeze Lock Device Configuration Identify Device Configuration Set Download Microcode Execute Device Diagnostics Flush Cache Flush Cache Extended Identify Device Initialize Device Parameters Read Buffer Read...
Product Manual
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... xxxxH xxxxH xxxxH 26 LD25 Series SATA Product Manual, Rev. C Parameters listed with an "x" are valid Number of current logical cylinders Number of current logical heads Number of the drive. The following power up. All reserved bits or words should be included in the table on page 27. 4.3.1 Identify Device command The Identify Device command (command code ECH) transfers information about the drive to zero. Word 0 1 2 3 4 5 6 7-9 10-19 20 21 22 23-26...
... xxxxH xxxxH xxxxH 26 LD25 Series SATA Product Manual, Rev. C Parameters listed with an "x" are valid Number of current logical cylinders Number of current logical heads Number of the drive. The following power up. All reserved bits or words should be included in the table on page 27. 4.3.1 Identify Device command The Identify Device command (command code ECH) transfers information about the drive to zero. Word 0 1 2 3 4 5 6 7-9 10-19 20 21 22 23-26...
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... LD25 Series SATA Product Manual, Rev. C 27 Word 59 60-61 62 63 64 65 66 67 68 69-74 75 76-79 80 81 82 83 84 85 86 87 88 89 90 92 93 94 95-99 100- 103 Description Number of sectors transferred during a Read Multiple or Write Multiple command Total number of user-addressable LBA sectors available (see Section 2.2 for related information...
... LD25 Series SATA Product Manual, Rev. C 27 Word 59 60-61 62 63 64 65 66 67 68 69-74 75 76-79 80 81 82 83 84 85 86 87 88 89 90 92 93 94 95-99 100- 103 Description Number of sectors transferred during a Read Multiple or Write Multiple command Total number of user-addressable LBA sectors available (see Section 2.2 for related information...
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...more information on S.M.A.R.T. This drive is shipped with all failures are susceptible to degradation over time. The table below shows the S.M.A.R.T. command S.M.A.R.T. Execute Off-line Immediate (runs DST) S.M.A.R.T. C Not all new drives and is also available at: http://seatools.seagate.com. S.M.A.R.T. You must have a recent BIOS or software package that a failure is enabled, the drive monitors predetermined drive attributes that the drive uses. Read Log Sector S.M.A.R.T. Write Log Sector Vendor-specific S.M.A.R.T. Disable Operations S.M.A.R.T. command codes...
...more information on S.M.A.R.T. This drive is shipped with all failures are susceptible to degradation over time. The table below shows the S.M.A.R.T. command S.M.A.R.T. Execute Off-line Immediate (runs DST) S.M.A.R.T. C Not all new drives and is also available at: http://seatools.seagate.com. S.M.A.R.T. You must have a recent BIOS or software package that a failure is enabled, the drive monitors predetermined drive attributes that the drive uses. Read Log Sector S.M.A.R.T. Write Log Sector Vendor-specific S.M.A.R.T. Disable Operations S.M.A.R.T. command codes...
Product Manual
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... your serial number and model or part number available. Have your customer support representative for warrantyrelated issues. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for the return of defective products. Our data recovery services labs are available on www.seagate.com. 32 LD25 Series SATA Product Manual, Rev. Global Customer Support Presales, Technical, and Warranty Support Call Center Toll-free USA, Canada, and Mexico 1-800-SEAGATE Data Recovery Services Call Center...
... your serial number and model or part number available. Have your customer support representative for warrantyrelated issues. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for the return of defective products. Our data recovery services labs are available on www.seagate.com. 32 LD25 Series SATA Product Manual, Rev. Global Customer Support Presales, Technical, and Warranty Support Call Center Toll-free USA, Canada, and Mexico 1-800-SEAGATE Data Recovery Services Call Center...
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... time 6 Average seek, read 3 Average seek, write 4 B bels 4 BPI 3 buffer 3, 5 Bytes per sector 3, 5 C cables and connectors 18 Cache 3 cache 5 capacity 5 case temperature 11 CE mark 14 certification 14 Check Power Mode 24 chemical substances 16 Class B computing device 15 compatibility 14 Conducted noise 9 Conducted RF immunity 13 Configuring the drive 17 connectors 18 CSA C22.2 (950) 14 current 4 Cylinders 5 cylinders 3 D data-transfer rates 1 DC power 7 Default logical geometry 5 Default sectors per track 3 density 3 Device Configuration Freeze Lock 23 Device Configuration Restore 23 Device...
... time 6 Average seek, read 3 Average seek, write 4 B bels 4 BPI 3 buffer 3, 5 Bytes per sector 3, 5 C cables and connectors 18 Cache 3 cache 5 capacity 5 case temperature 11 CE mark 14 certification 14 Check Power Mode 24 chemical substances 16 Class B computing device 15 compatibility 14 Conducted noise 9 Conducted RF immunity 13 Configuring the drive 17 connectors 18 CSA C22.2 (950) 14 current 4 Cylinders 5 cylinders 3 D data-transfer rates 1 DC power 7 Default logical geometry 5 Default sectors per track 3 density 3 Device Configuration Freeze Lock 23 Device Configuration Restore 23 Device...
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... Device 23 Identify Device command 26 Idle 7, 24 Idle and Standby timers 10 Idle Immediate 24 Idle mode 4, 9 Idle mode power 7 IEC950 14 Information Technology Equipment (ITE) 14 Initialize Device Parameters 23 Input noise ripple 9 Interface 5 interface 21 Interleave 5 Internal data transfer rate 3 Internal data-transfer rate 5 is 6 ISO document 7779 13 ITE 14 K Korean RRL 15 L latency 3 LBA mode 5 Lead 16 Length 3 length 6 Load/Unload 14 logical geometry 5 M master/slave 2 Max Address 23 maximum temperature...
... Device 23 Identify Device command 26 Idle 7, 24 Idle and Standby timers 10 Idle Immediate 24 Idle mode 4, 9 Idle mode power 7 IEC950 14 Information Technology Equipment (ITE) 14 Initialize Device Parameters 23 Input noise ripple 9 Interface 5 interface 21 Interleave 5 Internal data transfer rate 3 Internal data-transfer rate 5 is 6 ISO document 7779 13 ITE 14 K Korean RRL 15 L latency 3 LBA mode 5 Lead 16 Length 3 length 6 Load/Unload 14 logical geometry 5 M master/slave 2 Max Address 23 maximum temperature...
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...5 sectors per track 3 Security Disable Password 25 Security Erase Prepare 25 Security Erase Unit 25 Security Freeze Lock 25 Security Set Password 25 Security Unlock 25 Seek 23 seek mode 7 Seek time 6 seek time 3 Seeking 7 Serial ATA 5 Serial ATA (SATA) interface 21 serial ATA ports 2 Service Life 14 servo electronics 7 Set Features 23 Set Max Address 23 Set Multiple Mode 24 Shock 12 Shock, nonoperating 4 Shock, operating 4 single-track seeks 6 Sleep 24 Sleep mode 10 sound power 4 Specification summary table 3 Spindle speed 3, 5 Spinup 7 spinup power 7 LD25 Series SATA Product Manual, Rev. Read...
...5 sectors per track 3 Security Disable Password 25 Security Erase Prepare 25 Security Erase Unit 25 Security Freeze Lock 25 Security Set Password 25 Security Unlock 25 Seek 23 seek mode 7 Seek time 6 seek time 3 Seeking 7 Serial ATA 5 Serial ATA (SATA) interface 21 serial ATA ports 2 Service Life 14 servo electronics 7 Set Features 23 Set Max Address 23 Set Multiple Mode 24 Shock 12 Shock, nonoperating 4 Shock, operating 4 single-track seeks 6 Sleep 24 Sleep mode 10 sound power 4 Specification summary table 3 Spindle speed 3, 5 Spinup 7 spinup power 7 LD25 Series SATA Product Manual, Rev. Read...